Photovoltaic junction box diode welding device

Abstract

The invention relates to the technical field of diode welding devices, and discloses a photovoltaic junction box diode welding device which comprises a mounting table, a baffle is arranged on the surface of the mounting table, a mounting plate is arranged on the side portion of the baffle, an air cylinder body is arranged on the side portion of the mounting plate, and first clamping assemblies are arranged on the surface of the mounting table. A second clamping assembly is arranged on the side portion of the first clamping assembly, and the first clamping assembly and the second clamping assembly are used in cooperation. Through the arrangement of a first clamping assembly, a photovoltaic junction box is placed between two limiting plates and an extrusion plate, the extrusion plate extrudes a telescopic column, a piston disc in the telescopic column slides in a fixing barrel, a photovoltaic junction box shell is clamped through bounce of a reset spring, an air cylinder is started, the air cylinder drives a welding head to move downwards, then a sliding plate is manually adjusted, and the photovoltaic junction box shell is welded. And after the junction box is fixed, the positions of the diode and the wire can be accurately aligned, so that the welding error is reduced, and the quality and the consistency of each welding point are ensured.

Description

Technical Field

[0001] The invention relates to the technical field of diode welding devices, in particular to a photovoltaic junction box diode welding device. Background Art

[0002] The photovoltaic junction box diode welding device is a device specially used for diode welding in the photovoltaic module junction box. The photovoltaic junction box is a key component connecting the photovoltaic panel and the external circuit, while the diode is an important component to protect the panel from reverse current damage.

[0003] The welding device usually includes the following main parts: welding machine, fixture, power control system and cooling system. The welding machine adopts high-frequency induction heating or laser heating technology, which can spot weld the diode and the wire in the junction box together in a short time, ensuring that the welding point is firm and has low resistance. The fixture is used to fix the junction box and the diode to ensure the accuracy of the welding position. The power control system is responsible for adjusting the welding power and time to adapt to diodes and junction boxes of different specifications. The cooling system quickly cools the welding point after welding to prevent material deformation or damage caused by thermal stress. This device is easy to operate and has a high degree of automation. It can significantly improve welding efficiency and quality and reduce manual operation errors and labor intensity. With the rapid development of the photovoltaic industry, photovoltaic junction box diode welding devices are also constantly upgrading to meet the needs of higher efficiency and larger-scale production.

[0004] At present, some small factories generally use manual welding to weld the diodes of photovoltaic junction boxes. Manual welding is greatly affected by the skill level and experience of the operator, and the welding quality is prone to fluctuations. The consistency and reliability of the welding points are difficult to ensure, which may lead to problems such as increased resistance, loose or broken welding points, affecting the performance and life of photovoltaic modules; therefore, it does not meet the existing needs. In this regard, we propose a photovoltaic junction box diode welding device. Summary of the invention

[0005] The present invention provides a photovoltaic junction box diode welding device, which has the beneficial effect of reducing welding errors and ensuring the quality and consistency of each welding point, and solves the problem mentioned in the above background technology that some small factories generally use manual welding when welding the diodes of photovoltaic junction boxes. Manual welding is greatly affected by the skill level and experience of the operator, and the welding quality is prone to fluctuations. The consistency and reliability of the welding point are difficult to ensure, which may lead to problems such as increased resistance, loose or broken welding points, and affect the performance and life of photovoltaic modules.

[0006] The present invention provides the following technical solution: a photovoltaic junction box diode welding device, comprising a mounting table, a baffle is arranged on the surface of the mounting table, a mounting plate is arranged on the side of the baffle, a cylinder body is arranged on the side of the mounting plate, a first clamping component is respectively arranged on the surface of the mounting table, a second clamping component is arranged on the side of the first clamping component, and the first clamping component is used in conjunction with the second clamping component.

[0007] As an optional solution of a photovoltaic junction box diode welding device described in the present invention, wherein: a sliding plate is arranged on the side of the mounting plate, a sliding block is opened on the side of the sliding plate, a sliding groove is opened on the side of the mounting plate, the sliding block is slidably engaged with the sliding groove, a first piston disk is connected to the side of the sliding block, a first piston groove is opened on the side of the sliding groove, and the first piston disk is slidably engaged with the first piston groove.

[0008] As an optional solution of a photovoltaic junction box diode welding device described in the present invention, the cylinder body is connected to the side of the sliding plate, a welding head is provided at the bottom of the cylinder body, and the output shaft of the cylinder body is key-connected to the welding head.

[0009] As an optional solution of a photovoltaic junction box diode welding device described in the present invention, wherein: the first clamping assembly includes a limit plate and an extrusion plate, two limit plates are provided, and the two limit plates are connected to the surface of the mounting platform, and two extrusion plates are provided, and the two extrusion plates are respectively provided on the sides of the limit plates.

[0010] As an optional solution of a photovoltaic junction box diode welding device described in the present invention, a telescopic column is arranged between the extrusion plate and the limiting plate, a return spring is sleeved on the outer side of the telescopic column, the telescopic column includes a fixed cylinder and a sliding column, the fixed cylinder is connected to the side of the limiting plate, the sliding column is connected to the side of the extrusion plate, and the sliding column is slidably connected to the inside of the fixed cylinder.

[0011] As an optional solution of a photovoltaic junction box diode welding device described in the present invention, wherein: a second piston disk is connected to the bottom of the sliding column, a second piston groove is opened inside the fixing cylinder, and the second piston disk slides in cooperation with the inside of the second piston groove.

[0012] As an optional solution of a photovoltaic junction box diode welding device described in the present invention, the second clamping assembly includes an installation box and a moving block, two installation boxes are provided, and the sides of the two installation boxes are respectively provided with through grooves, and the moving block slides in cooperation with the through grooves.

[0013] As an optional solution of a photovoltaic junction box diode welding device described in the present invention, wherein: an installation cavity is opened inside the installation box, a rotating shaft is connected to the inner wall of the installation cavity, two rotating shafts are provided, and the two rotating shafts are respectively arranged on the sides of the two installation boxes, a rotating disk is sleeved on the outer side of the rotating shaft, a limiting shaft is connected to the side of the rotating disk, a driving plate is arranged on the side of the rotating disk, a sliding groove is opened on the side of the driving plate, and the limiting shaft is slidably matched with the sliding groove.

[0014] As an optional solution of a photovoltaic junction box diode welding device described in the present invention, wherein: the inner wall of the installation cavity is connected to a shaft body, the bottom of the driving plate is connected to an arc frame, the shaft body is inserted into the side of the arc frame, the bottom of the arc frame is connected to a plurality of first teeth, the inner wall of the installation cavity is connected to a clamping ring, two of the clamping rings are provided, a cylinder is clamped between the two clamping rings, the side of the cylinder is connected to a plurality of second teeth, and the first teeth are meshed with the second teeth for transmission.

[0015] As an optional solution of a photovoltaic junction box diode welding device described in the present invention, wherein: the cylindrical end is connected to the side of the moving block, the side of the installation box is connected to a servo motor, the output shaft of the servo motor is inserted into the side of the installation box, and the output shaft of the servo motor is keyed to the rotating shaft, and a transmission belt is commonly sleeved on the outer sides of the two rotating shafts.

[0016] The present invention has the following beneficial effects: 1. The photovoltaic junction box diode welding device, through the setting of the first clamping component, places the photovoltaic junction box between two limit plates and the extrusion plate, the extrusion plate squeezes the telescopic column, so that the piston disc inside the telescopic column slides inside the fixed cylinder, the rebound force of the reset spring clamps the photovoltaic junction box shell, starts the cylinder, the cylinder drives the welding head to move down, and then manually adjusts the sliding plate to achieve azimuth adjustment. After fixing the junction box, the position of the diode and the wire can be accurately aligned, reducing welding errors and ensuring the quality and consistency of each welding point. This solves the problem that some small factories generally use manual welding when welding the diodes of photovoltaic junction boxes. Manual welding is greatly affected by the skill level and experience of the operator, and the welding quality is prone to fluctuations. The consistency and reliability of the welding points are difficult to guarantee, which may lead to problems such as increased resistance, loose or broken welding points, and affect the performance and life of photovoltaic modules.

[0017] 2. The photovoltaic junction box diode welding device adopts the setting of the second clamping component. The second clamping component cooperates with the servo motor. The servo motor rotates, driving the rotating shaft to rotate, so that the rotating disk rotates, and the shaft body on the side of the rotating disk slides with the sliding groove, driving the arc frame to reciprocate. The first teeth and the second teeth at the bottom of the arc frame are engaged to drive the cylinder to reciprocate. The cylinder pushes the moving block to clamp the photovoltaic junction box shell. Through the reciprocating motion of the rotating disk and the arc frame, the first teeth and the second teeth are engaged, driving the cylinder and the moving block to evenly clamp the photovoltaic junction box, thereby avoiding welding defects caused by uneven clamping.

[0018] 3. The photovoltaic junction box diode welding device adopts the setting of the transmission belt, the coordination of the transmission belt and the rotating shaft, the servo motor drives the rotating shaft to rotate, the transmission belt drives another rotating shaft to rotate, and one driving source drives the two rotating shafts to rotate. The high-speed response and precise control of the servo motor enable the two rotating shafts to start and stop quickly and synchronously, which improves the dynamic performance and response speed of the production line and makes the whole solution better. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0020] Figure 2 It is a schematic diagram of the sliding plate structure of the present invention.

[0021] Figure 3 It is a schematic diagram of the chute structure of the present invention.

[0022] Figure 4 It is a schematic diagram of the internal structure of the installation box of the present invention.

[0023] Figure 5 It is a schematic diagram of the cross-section structure of the installation box of the present invention.

[0024] Figure 6 It is a schematic diagram of the internal structure of the telescopic column of the present invention.

[0025] Figure 7 It is a schematic diagram of the transmission belt structure of the present invention.

[0026] In the figure: 110, mounting table; 111, baffle; 112, mounting plate; 113, cylinder body; 114, sliding plate; 115, sliding block; 120, slide groove; 121, first piston disc; 122, first piston groove; 123, welding head; 140, first clamping assembly; 141, limit plate; 142, extrusion plate; 143, telescopic column; 144, fixed cylinder; 145, sliding column; 150, return spring; 151, second piston disc ; 152, second piston groove; 160, second clamping assembly; 161, installation box; 162, moving block; 163, through groove; 164, installation cavity; 165, rotating shaft; 170, rotating disk; 171, limiting shaft; 172, driving plate; 173, sliding groove; 174, shaft body; 175, arc frame; 180, first tooth; 181, second tooth; 182, retaining ring; 183, cylinder; 184, servo motor; 185, transmission belt. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] Embodiment 1: This embodiment aims to solve the problem that some small factories generally use manual welding to weld the diodes of photovoltaic junction boxes. Manual welding is greatly affected by the skill level and experience of the operator, and the welding quality is prone to fluctuations. The consistency and reliability of the welding points are difficult to ensure, which may lead to problems such as increased resistance, loose or broken welding points, and affect the performance and life of photovoltaic modules. Please refer to Figure 1-7 A photovoltaic junction box diode welding device includes a mounting platform 110, a baffle 111 is arranged on the surface of the mounting platform 110, a mounting plate 112 is arranged on the side of the baffle 111, a cylinder body 113 is arranged on the side of the mounting plate 112, a first clamping assembly 140 is arranged on the surface of the mounting platform 110, a second clamping assembly 160 is arranged on the side of the first clamping assembly 140, and the first clamping assembly 140 and the second clamping assembly 160 are used in conjunction; through the integrated equipment layout and automated clamping system, the risk of direct operation by operators in a high-temperature welding environment is reduced, and work safety is improved. Mechanized precise control reduces the possibility of human error and improves the overall reliability of the product.

[0029] The side of the mounting plate 112 is provided with a sliding plate 114, the side of the sliding plate 114 is provided with a sliding block 115, the side of the mounting plate 112 is provided with a sliding groove 120, the sliding block is slidably engaged with the sliding groove 120, the side of the sliding block 115 is connected with a first piston disc 121, the side of the sliding groove 120 is provided with a first piston groove 122, the first piston disc 121 is slidably engaged with the first piston groove 122. The cylinder body 113 is connected to the side of the sliding plate 114, the bottom of the cylinder body 113 is provided with a welding head 123, the output shaft of the cylinder body 113 is key-connected with the welding head 123; the output shaft of the cylinder body 113 is key-connected with the welding head 123, which ensures that the welding force can be efficiently transmitted and enhances the welding strength. The sliding engagement of the first piston disc 121 and the first piston groove 122 can provide a stable reaction force during the welding process, ensuring the uniformity and durability of the welding force.

[0030] The first clamping assembly 140 includes a limit plate 141 and a squeeze plate 142. Two limit plates 141 are provided. The two limit plates 141 are connected to the surface of the mounting platform 110. Two squeeze plates 142 are provided. The two squeeze plates 142 are respectively arranged on the side of the limit plate 141. A telescopic column 143 is arranged between the squeeze plate 142 and the limit plate 141. A return spring 150 is sleeved on the outer side of the telescopic column 143. The telescopic column 143 includes a fixed cylinder 144 and a sliding column 145. The fixed cylinder 144 is connected to the side of the limit plate 141. The sliding column 145 is connected to the side of the squeeze plate 142. The sliding column 145 is slidably connected to the inside of the fixed cylinder 144. A second piston disc 151 is connected to the bottom of the sliding column 145. A second piston groove 152 is opened inside the fixed cylinder 144. The second piston disc 151 and the inside of the second piston groove 152 are slidably matched. The automated clamping system reduces the risk of direct operation by operators in a high temperature environment and improves work safety. Through mechanized precise control, the possibility of human error is reduced and the overall reliability of the product is improved.

[0031] In this embodiment: by setting the first clamping assembly 140, the photovoltaic junction box is placed between the two limit plates 141 and the extrusion plate 142, the extrusion plate 142 squeezes the telescopic column 143, so that the piston disc inside the telescopic column 143 slides inside the fixed cylinder 144, the rebound force of the reset spring 150 clamps the photovoltaic junction box shell, the cylinder is started, the cylinder drives the welding head 123 to move down, and then the sliding plate 114 is manually adjusted to achieve azimuth adjustment. After the junction box is fixed, the position of the diode and the wire can be accurately aligned, reducing welding errors and ensuring the quality and consistency of each welding point. This solves the problem that some small factories generally use manual welding when welding the diodes of the photovoltaic junction box. Manual welding is greatly affected by the skill level and experience of the operator, and the welding quality is prone to fluctuations. The consistency and reliability of the welding point are difficult to ensure, which may lead to problems such as increased resistance, loose or broken welding points, and affect the performance and life of the photovoltaic module.

[0032] Embodiment 2: This embodiment is intended to promote the solution to the problem of uneven clamping. This embodiment is an improvement made on the basis of embodiment 1. For details, please refer to Figure 1-7 The second clamping assembly 160 includes a mounting box 161 and a moving block 162 . Two mounting boxes 161 are provided. Through slots 163 are respectively opened on the sides of the two mounting boxes 161 . The moving block 162 is slidably matched with the through slots 163 .

[0033] An installation cavity 164 is provided inside the installation box 161, and a rotating shaft 165 is connected to the inner wall of the installation cavity 164. Two rotating shafts 165 are provided, and the two rotating shafts 165 are respectively provided on the sides of the two installation boxes 161. A rotating disk 170 is sleeved on the outer side of the rotating shaft 165. The side of the rotating disk 170 is connected to a limiting shaft 171. A driving plate 172 is provided on the side of the rotating disk 170. A sliding groove 173 is provided on the side of the driving plate 172. The limiting shaft 171 and the sliding groove 173 are slidably matched. The inner wall of the installation cavity 164 is connected to a shaft body 174, and the bottom of the driving plate 172 is connected to an arc frame 175. The shaft body 174 penetrates the side of the arc frame 175, and the bottom of the arc frame 175 is connected to a plurality of first teeth 180. The inner wall of the installation cavity 164 is connected to a snap ring 182. Two snap rings 182 are provided, and a cylinder 183 is engaged between the two snap rings 182. The side of the cylinder 183 is connected to a plurality of second teeth 181, and the first teeth 180 are meshed with the second teeth 181 for transmission. Through the cooperation of the rotating disk 170 and the limiting shaft 171, and the sliding cooperation of the driving plate 172 and the sliding groove 173, the position of the driving plate 172 and the arc frame 175 can be accurately controlled to ensure the positioning accuracy of the photovoltaic junction box. The first teeth 180 at the bottom of the arc frame 175 mesh with the second teeth 181 on the side of the cylinder 183 to enable the cylinder 183 to stably push the driving plate 172 to achieve stable clamping of the photovoltaic junction box.

[0034] In this embodiment: through the setting of the second clamping component 160, the second clamping component 160 cooperates with the servo motor 184, the servo motor 184 rotates, driving the rotating shaft 165 to rotate, so that the rotating disk 170 rotates, the shaft body 174 on the side of the rotating disk 170 slides with the sliding groove 173, driving the arc frame 175 to reciprocate, the first teeth 180 and the second teeth 181 at the bottom of the arc frame 175 engage with each other to drive the cylinder 183 to reciprocate, and the cylinder 183 pushes the moving block 162 to clamp the photovoltaic junction box housing, and through the reciprocating motion of the rotating disk 170 and the arc frame 175, the first teeth 180 and the second teeth 181 engage with each other, driving the cylinder 183 and the moving block 162 to evenly clamp the photovoltaic junction box, thereby avoiding welding defects caused by uneven clamping.

[0035] Embodiment 3: This embodiment is intended to promote the solution to the problem of inconsistent response of the driving source. This embodiment is an improvement made on the basis of Embodiment 1. For details, please refer to Figure 1-7 The end of the cylinder 183 is connected to the side of the moving block 162, and the side of the mounting box 161 is connected to a servo motor 184. The output shaft of the servo motor 184 is inserted through the side of the mounting box 161, and the output shaft of the servo motor 184 is key-connected with the rotating shaft 165. The outer sides of the two rotating shafts 165 are jointly sleeved with a transmission belt 185; The design of the transmission belt 185 enables the two shafts 165 to distribute the load evenly, and the high-speed response and precise control of the servo motor 184 enable the two shafts 165 to start and stop quickly and synchronously, thereby improving the overall stability of the equipment. The elastic design of the transmission belt 185 can absorb mechanical vibrations, making the equipment run more smoothly and extending the service life of mechanical components.

[0036] In this embodiment: through the setting of the transmission belt 185, the transmission belt 185 cooperates with the rotating shaft 165, the servo motor 184 drives the rotating shaft 165 to rotate, the transmission belt 185 drives another rotating shaft 165 to rotate, and one driving source drives the two rotating shafts 165 to rotate. The high-speed response and precise control of the servo motor 184 enable the two rotating shafts 165 to start and stop quickly and synchronously, thereby improving the dynamic performance and response speed of the production line, making the entire solution better.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0038] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A photovoltaic junction box diode welding device, comprising a mounting platform (110), a baffle (111) being arranged on the surface of the mounting platform (110), and a mounting plate (112) being arranged on the side of the baffle (111), characterized in that: A cylinder body (113) is arranged on the side of the mounting plate (112), a first clamping assembly (140) is arranged on the surface of the mounting platform (110), a second clamping assembly (160) is arranged on the side of the first clamping assembly (140), and the first clamping assembly (140) and the second clamping assembly (160) are used in conjunction with each other.

2. A photovoltaic junction box diode welding device according to claim 1, characterized in that: A sliding plate (114) is arranged on the side of the mounting plate (112), a sliding block (115) is provided on the side of the sliding plate (114), a sliding groove (120) is provided on the side of the mounting plate (112), the sliding block (115) is slidably engaged with the sliding groove (120), a first piston disc (121) is connected to the side of the sliding block (115), a first piston groove (122) is provided on the side of the sliding groove (120), and the first piston disc (121) is slidably engaged with the first piston groove (122).

3. A photovoltaic junction box diode welding device according to claim 2, characterized in that: The cylinder body (113) is connected to the side of the sliding plate (114), a welding head (123) is provided at the bottom of the cylinder body (113), and an output shaft of the cylinder body (113) is key-connected to the welding head (123).

4. A photovoltaic junction box diode welding device according to claim 1, characterized in that: The first clamping assembly (140) comprises a limit plate (141) and an extrusion plate (142), wherein two limit plates (141) are provided, and the two limit plates (141) are connected to the surface of the mounting platform (110), and two extrusion plates (142) are provided, and the two extrusion plates (142) are respectively provided on the sides of the limit plate (141).

5. A photovoltaic junction box diode welding device according to claim 4, characterized in that: A telescopic column (143) is provided between the extrusion plate (142) and the limiting plate (141); a return spring (150) is sleeved on the outer side of the telescopic column (143); the telescopic column (143) comprises a fixed cylinder (144) and a sliding column (145); the fixed cylinder (144) is connected to the side of the limiting plate (141); the sliding column (145) is connected to the side of the extrusion plate (142); and the sliding column (145) is slidably connected to the inside of the fixed cylinder (144).

6. A photovoltaic junction box diode welding device according to claim 5, characterized in that: The bottom of the sliding column (145) is connected to a second piston disc (151), a second piston groove (152) is provided inside the fixed cylinder (144), and the second piston disc (151) is slidably matched with the inside of the second piston groove (152).

7. A photovoltaic junction box diode welding device according to claim 1, characterized in that: The second clamping assembly (160) comprises an installation box (161) and a moving block (162), two installation boxes (161) are provided, and through slots (163) are respectively provided on the sides of the two installation boxes (161), and the moving block (162) is slidably matched with the through slots (163).

8. A photovoltaic junction box diode welding device according to claim 7, characterized in that: An installation cavity (164) is provided inside the installation box (161), and an inner wall of the installation cavity (164) is connected to a rotating shaft (165). Two rotating shafts (165) are provided, and the two rotating shafts (165) are respectively provided on the sides of the two installation boxes (161). A rotating disk (170) is sleeved on the outer side of the rotating shaft (165), and a side of the rotating disk (170) is connected to a limiting shaft (171). A driving plate (172) is provided on the side of the rotating disk (170), and a sliding groove (173) is provided on the side of the driving plate (172). The limiting shaft (171) is slidably matched with the sliding groove (173).

9. A photovoltaic junction box diode welding device according to claim 8, characterized in that: The inner wall of the installation cavity (164) is connected to a shaft body (174), the bottom of the driving plate (172) is connected to an arc frame (175), the shaft body (174) penetrates the side of the arc frame (175), the bottom of the arc frame (175) is connected to a plurality of first teeth (180), the inner wall of the installation cavity (164) is connected to a snap ring (182), two snap rings (182) are provided, a cylinder (183) is engaged between the two snap rings (182), the side of the cylinder (183) is connected to a plurality of second teeth (181), and the first teeth (180) and the second teeth (181) are meshed for transmission.

10. A photovoltaic junction box diode welding device according to claim 9, characterized in that: The end of the cylinder (183) is connected to the side of the moving block (162), the side of the installation box (161) is connected to a servo motor (184), the output shaft of the servo motor (184) is inserted into the side of the installation box (161), and the output shaft of the servo motor (184) is key-connected to the rotating shaft (165), and a transmission belt (185) is commonly sleeved on the outside of the two rotating shafts (165).

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